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authorGravatar Gael Guennebaud <g.gael@free.fr>2016-01-28 13:21:48 +0100
committerGravatar Gael Guennebaud <g.gael@free.fr>2016-01-28 13:21:48 +0100
commitddf64babdee340fa78d4575540562ae2f2e4135f (patch)
treecfe3c621577290b0b2bbd67f4d05629c02bdd318 /test
parentdf15fbc4520402a00b053bd02c782b77a5b72f61 (diff)
parentc8d94ae944407c05ae7600347afb6a532783c962 (diff)
merge
Diffstat (limited to 'test')
-rw-r--r--test/array.cpp21
1 files changed, 18 insertions, 3 deletions
diff --git a/test/array.cpp b/test/array.cpp
index 6adedfb06..96aef31c7 100644
--- a/test/array.cpp
+++ b/test/array.cpp
@@ -219,6 +219,7 @@ template<typename ArrayType> void array_real(const ArrayType& m)
VERIFY_IS_APPROX(m1.tanh(), tanh(m1));
#ifdef EIGEN_HAS_C99_MATH
VERIFY_IS_APPROX(m1.lgamma(), lgamma(m1));
+ VERIFY_IS_APPROX(m1.digamma(), digamma(m1));
VERIFY_IS_APPROX(m1.erf(), erf(m1));
VERIFY_IS_APPROX(m1.erfc(), erfc(m1));
#endif // EIGEN_HAS_C99_MATH
@@ -309,7 +310,22 @@ template<typename ArrayType> void array_real(const ArrayType& m)
s1 += Scalar(tiny);
m1 += ArrayType::Constant(rows,cols,Scalar(tiny));
VERIFY_IS_APPROX(s1/m1, s1 * m1.inverse());
-
+
+ // check special functions (comparing against numpy implementation)
+#ifdef EIGEN_HAS_C99_MATH
+ if (!NumTraits<Scalar>::IsComplex) {
+ VERIFY_IS_APPROX(numext::digamma(Scalar(1)), RealScalar(-0.5772156649015329));
+ VERIFY_IS_APPROX(numext::digamma(Scalar(1.5)), RealScalar(0.03648997397857645));
+ VERIFY_IS_APPROX(numext::digamma(Scalar(4)), RealScalar(1.2561176684318));
+ VERIFY_IS_APPROX(numext::digamma(Scalar(-10.5)), RealScalar(2.398239129535781));
+ VERIFY_IS_APPROX(numext::digamma(Scalar(10000.5)), RealScalar(9.210340372392849));
+ VERIFY_IS_EQUAL(numext::digamma(Scalar(0)),
+ std::numeric_limits<RealScalar>::infinity());
+ VERIFY_IS_EQUAL(numext::digamma(Scalar(-1)),
+ std::numeric_limits<RealScalar>::infinity());
+ }
+#endif // EIGEN_HAS_C99_MATH
+
// check inplace transpose
m3 = m1;
m3.transposeInPlace();
@@ -336,8 +352,6 @@ template<typename ArrayType> void array_complex(const ArrayType& m)
Array<RealScalar, -1, -1> m3(rows, cols);
- Scalar s1 = internal::random<Scalar>();
-
for (Index i = 0; i < m.rows(); ++i)
for (Index j = 0; j < m.cols(); ++j)
m2(i,j) = sqrt(m1(i,j));
@@ -410,6 +424,7 @@ template<typename ArrayType> void array_complex(const ArrayType& m)
VERIFY_IS_APPROX( m1.sign() * m1.abs(), m1);
// scalar by array division
+ Scalar s1 = internal::random<Scalar>();
const RealScalar tiny = sqrt(std::numeric_limits<RealScalar>::epsilon());
s1 += Scalar(tiny);
m1 += ArrayType::Constant(rows,cols,Scalar(tiny));